這是一個心形線,只能用參數(shù)方程:
x=a*(2*cos(t)-cos(2*t)),y=a*(2*sin(t)-sin(2*t))
求函數(shù)(X^2+Y^2-1)^3-X^2Y^3=0解答過程
求函數(shù)(X^2+Y^2-1)^3-X^2Y^3=0解答過程
數(shù)學(xué)人氣:769 ℃時間:2020-05-16 21:29:13
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